@media(max-width:500px){
  .search{
    display:inline-block;
    text-align:center;
  }
  .device{
    margin:20px auto 0 auto;
    display:block;
  }

  .device-small {
      margin-bottom: 20px;
  }

  .footer-main {
    ul{
      margin-bottom:20px;
      text-align : center;
    }
  }

  .showcase-content {
    h1{
      visibility: hidden;
    }
    h2{
      visibility: hidden;
    }
  }
}

@media (min-width: 768px){

}